OpenTechnical

OT-2026-000042108

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000042108) never changes.

Identity and time

Publication numberOT-2026-000042108 · never reused
Internal UUID01a0ae7a-5d71-7b91-89e9-f1addbf39a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042108
StatusPUBLIC

Content hashes

Canonical textf3813e7b0c445407fe43d026f28d5b02c7c699c583dc0b9e3d6a9f99a1f04392
Markdown766a14257df6ead23f02392b4bb867718caac832d09f0b781b8d1f9f08afb284
PDF
Publication pagedd5b4dec6c9e7077005abde8951bea898e2f49c7511971616e02eaab99fa4293
Manifest7509c02a75ac4f17624476eac24c9e9caa6fa23cb4e2c6c0df99790e4f3d86f7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMvGrquvAKFSOEc7s8B314DQRqgBn6clL28th+rNa5TarFKAUluxOtPh9iY4cdZ1hkIAM9W1IjeO5Isg73rcxAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:38.648343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042108
observed dd5b4dec6c9e7077005abde8951bea89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.629356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042108/manifest.json
observed 7509c02a75ac4f17624476eac24c9e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.611024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042108/publication.md
observed 766a14257df6ead23f02392b4bb86771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:38.591459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042108/publication.txt
observed f3813e7b0c445407fe43d026f28d5b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.